style: format seluruh workspace dengan cargo fmt

Menyeragamkan format kode sesuai rustfmt (126 file). Sebelumnya
lefthook pre-commit 'cargo fmt --check' akan gagal pada commit apa pun.

apps/infrastructure/src/tools/web_search.rs

@@ -75,8 +75,8 @@ impl Tool for WebSearch {
 
         info!(query = %query, max_results, fetch_content, categories = %categories, "web search starting");
 
-        let searxng_url = std::env::var("SEARXNG_URL")
-            .unwrap_or_else(|_| DEFAULT_SEARXNG_URL.to_string());
+        let searxng_url =
+            std::env::var("SEARXNG_URL").unwrap_or_else(|_| DEFAULT_SEARXNG_URL.to_string());
 
         // Build the SearXNG JSON search URL
         let search_url = format!(
@@ -138,10 +138,7 @@ impl Tool for WebSearch {
                 .get("title")
                 .and_then(|v| v.as_str())
                 .unwrap_or("Untitled");
-            let url = result
-                .get("url")
-                .and_then(|v| v.as_str())
-                .unwrap_or("");
+            let url = result.get("url").and_then(|v| v.as_str()).unwrap_or("");
             let snippet = result
                 .get("content")
                 .and_then(|v| v.as_str())
@@ -176,7 +173,9 @@ impl Tool for WebSearch {
 
         // Add suggestion for more specific queries if very few results
         if result_count < 3 {
-            output.push_str("---\n*Few results. Try a more specific query or different categories.*\n");
+            output.push_str(
+                "---\n*Few results. Try a more specific query or different categories.*\n",
+            );
         }
 
         Ok(output)
@@ -262,10 +261,7 @@ fn fetch_page_content(url: &str, client: &reqwest::blocking::Client) -> Result<S
     }
 
     // Clean up whitespace
-    let cleaned_text = text
-        .split_whitespace()
-        .collect::<Vec<_>>()
-        .join(" ");
+    let cleaned_text = text.split_whitespace().collect::<Vec<_>>().join(" ");
 
     if cleaned_text.is_empty() {
         anyhow::bail!("no readable content found on page");
@@ -276,8 +272,5 @@ fn fetch_page_content(url: &str, client: &reqwest::blocking::Client) -> Result<S
 
 /// Limit a string to at most `max_lines` lines.
 fn limit_lines(s: &str, max_lines: usize) -> String {
-    s.lines()
-        .take(max_lines)
-        .collect::<Vec<_>>()
-        .join("\n")
+    s.lines().take(max_lines).collect::<Vec<_>>().join("\n")
 }